Stock Based Compensation - Changes in Options (Details) $ / shares in Units, $ in Millions	9 Months Ended
Sep. 30, 2024 USD ($) $ / shares shares
Weighted- Avg. Per Share Exercise Price
Beginning balance (in USD per share) \| $ / shares	$ 52.93
Exercised (in USD per share) \| $ / shares	46.48
Forfeited (in USD per share) \| $ / shares	74.27
Ending balance (in USD per share) \| $ / shares	$ 54.96
Number of Options
Beginning balance (in shares) \| shares	1,872,553
Exercised (in shares) \| shares	(455,409)
Forfeited (in shares) \| shares	(3,260)
Ending balance (in shares) \| shares	1,413,884
Stock option activity, additional disclosures
Outstanding, Average Remaining Contractual Life	6 years
Outstanding, Aggregate Intrinsic Value \| $	$ 49.3
Exercisable, Weighted-Avg. Per Share Exercise Price (in USD per share) \| $ / shares	$ 53.49
Exercisable, Number of Options (in shares) \| shares	1,313,104
Exercisable, Average Remaining Contractual Life	6 years
Exercisable, Aggregate Intrinsic Value \| $	$ 47.7

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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